3M Privacy Blackout Filter for 18.1" Standard Monitor (5:4) (PF181C4B) Features Microlouver technology delivers world-class effective "black out" privacy from side views outside the 60-degree viewing angle Reversible between a glossy side and glare-reducing matte Reduces 35% of blue light transmission from the display Helps reduce reflections so you see your screen clearly with pristine image clarity Provides touch compatibility on some devices Details Product Dimensions: x x inches Item Weight: 1.21 pounds Shipping Weight: 1.21 pounds Manufacturer: 3M Item color: Black Item model number: PF181C4B Item MPN: PF181C4B Item part number: PF181C4B A Word About the Postal Service and Their Service We ship same day if purchased by noon CT M-F. We even ship on some Saturday mornings (when we are in town). However, ever since Covid hit in March of 2020, the USPS has been experiencing many delays. We offer expedited options at extremely reasonable prices, including FedEx 2 business day shipping for any items that will fit in a flat rate FedEx Pak envelope (price and option is only valid if this item will fit into a FedEx Pak envelope). Please check all of your options before buying. We ship to all 50 US states and territories, as well as to many international destinations. Some larger packages to AK, HI, PR, VI, GU and other protectorates will require additional postage, but we are happy to ship to you. All first-class and media mail eligible items, as well as any items that will fit into a Priority Mail flat rate envelope do not require additional postage. Any items larger than that, we will ship larger items to you for the cost of postage. Contact us for details. 30-day Money Back Guarantee If you're unhappy with the product, you may return it back for your money-back within 30 days. Items must be returned in the same condition that they went out in. We cannot accept returns on items that have been opened, worn or altered in any way from the original condition.